204221122402 has 32 divisors (see below), whose sum is σ = 345096142848. Its totient is φ = 89797890000.

The previous prime is 204221122367. The next prime is 204221122403.

204221122402 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (204221122403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1709277 + ... + 1824847.

It is an arithmetic number, because the mean of its divisors is an integer number (10784254464).

Almost surely, 2^204221122402 is an apocalyptic number.

204221122402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

204221122402 is a deficient number, since it is larger than the sum of its proper divisors (140875020446).

204221122402 is a wasteful number, since it uses less digits than its factorization.

204221122402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118206.

The product of its (nonzero) digits is 1024, while the sum is 22.

It can be divided in two parts, 204221 and 122402, that added together give a palindrome (326623).

The spelling of 204221122402 in words is "two hundred four billion, two hundred twenty-one million, one hundred twenty-two thousand, four hundred two".